Show that SWT allows unsafe chrome calls from evaluate.

Snippet260WithChromeCall.java

/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and others. All rights reserved. This program and the
 * accompanying materials are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: IBM Corporation - initial API and implementation
 *******************************************************************************/


/*
 * Mozilla in a Browser
 * 
 * The requirements for using Mozilla-based Browsers are described at
 * http://www.eclipse.org/swt/faq.php#howusemozilla
 * 
 * For a list of all SWT example snippets see http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.3
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.LocationEvent;
import org.eclipse.swt.browser.LocationListener;
import org.eclipse.swt.browser.MozillaEvaluator;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;

public class Snippet260 {

  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("Mozilla");
    final Browser browser;
    try {
      browser = new Browser(shell, SWT.MOZILLA);
    } catch (SWTError e) {
      System.out.println("Could not instantiate Browser: " + e.getMessage());
      display.dispose();
      return;
    }
    shell.open();
    browser.setUrl("http://mozilla.org");
    browser.addLocationListener(new LocationListener() {

      public void changing(LocationEvent event) {

      }

      public void changed(LocationEvent event) {
        MessageBox messageBox = new MessageBox(shell, SWT.ICON_WARNING | SWT.OK);
        Object outerWindowId;
		try {
			outerWindowId = MozillaEvaluator.evaluateAsChrome(browser, "return window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIDOMWindowUtils).outerWindowID;");
			messageBox.setMessage(outerWindowId.toString());
			messageBox.setText("");
			messageBox.open();
		} catch (Exception e) {
			e.printStackTrace();
		}
      }
    });
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}